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const { dirname, join, resolve, relative, isAbsolute } = require('path') const rimraf_ = require('rimraf') const { promisify } = require('util') const { access: access_, accessSync, copyFile: copyFile_, copyFileSync, readdir: readdir_, readdirSync, rename: rename_, renameSync, stat: stat_, statSync, lstat: lstat_, lstatSync, symlink: symlink_, symlinkSync, readlink: readlink_, readlinkSync, } = require('fs') const access = promisify(access_) const copyFile = promisify(copyFile_) const readdir = promisify(readdir_) const rename = promisify(rename_) const stat = promisify(stat_) const lstat = promisify(lstat_) const symlink = promisify(symlink_) const readlink = promisify(readlink_) const rimraf = promisify(rimraf_) const rimrafSync = rimraf_.sync const mkdirp = require('mkdirp') const pathExists = async path => { try { await access(path) return true } catch (er) { return er.code !== 'ENOENT' } } const pathExistsSync = path => { try { accessSync(path) return true } catch (er) { return er.code !== 'ENOENT' } } const moveFile = async (source, destination, options = {}, root = true, symlinks = []) => { if (!source || !destination) { throw new TypeError('`source` and `destination` file required') } options = { overwrite: true, ...options, } if (!options.overwrite && await pathExists(destination)) { throw new Error(`The destination file exists: ${destination}`) } await mkdirp(dirname(destination)) try { await rename(source, destination) } catch (error) { if (error.code === 'EXDEV' || error.code === 'EPERM') { const sourceStat = await lstat(source) if (sourceStat.isDirectory()) { const files = await readdir(source) await Promise.all(files.map((file) => moveFile(join(source, file), join(destination, file), options, false, symlinks) )) } else if (sourceStat.isSymbolicLink()) { symlinks.push({ source, destination }) } else { await copyFile(source, destination) } } else { throw error } } if (root) { await Promise.all(symlinks.map(async ({ source: symSource, destination: symDestination }) => { let target = await readlink(symSource) // junction symlinks in windows will be absolute paths, so we need to // make sure they point to the symlink destination if (isAbsolute(target)) { target = resolve(symDestination, relative(symSource, target)) } // try to determine what the actual file is so we can create the correct // type of symlink in windows let targetStat = 'file' try { targetStat = await stat(resolve(dirname(symSource), target)) if (targetStat.isDirectory()) { targetStat = 'junction' } } catch { // targetStat remains 'file' } await symlink( target, symDestination, targetStat ) })) await rimraf(source) } } const moveFileSync = (source, destination, options = {}, root = true, symlinks = []) => { if (!source || !destination) { throw new TypeError('`source` and `destination` file required') } options = { overwrite: true, ...options, } if (!options.overwrite && pathExistsSync(destination)) { throw new Error(`The destination file exists: ${destination}`) } mkdirp.sync(dirname(destination)) try { renameSync(source, destination) } catch (error) { if (error.code === 'EXDEV' || error.code === 'EPERM') { const sourceStat = lstatSync(source) if (sourceStat.isDirectory()) { const files = readdirSync(source) for (const file of files) { moveFileSync(join(source, file), join(destination, file), options, false, symlinks) } } else if (sourceStat.isSymbolicLink()) { symlinks.push({ source, destination }) } else { copyFileSync(source, destination) } } else { throw error } } if (root) { for (const { source: symSource, destination: symDestination } of symlinks) { let target = readlinkSync(symSource) // junction symlinks in windows will be absolute paths, so we need to // make sure they point to the symlink destination if (isAbsolute(target)) { target = resolve(symDestination, relative(symSource, target)) } // try to determine what the actual file is so we can create the correct // type of symlink in windows let targetStat = 'file' try { targetStat = statSync(resolve(dirname(symSource), target)) if (targetStat.isDirectory()) { targetStat = 'junction' } } catch { // targetStat remains 'file' } symlinkSync( target, symDestination, targetStat ) } rimrafSync(source) } } module.exports = moveFile module.exports.sync = moveFileSync
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